/* roulang page: index */
:root{
  --ink-green:#1F4B3F;
  --ink-green-deep:#12332B;
  --clay:#C2653A;
  --sand:#E4B363;
  --paper:#F7F4ED;
  --card:#FFFFFF;
  --text:#121A17;
  --text-2:#4A554F;
  --text-3:#6B7570;
  --line:#DCD6C9;
  --line-2:#EDE8DC;
  --ok:#6B8F71;
  --warn:#B4462F;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-1:0 1px 0 rgba(18,26,23,.04), 0 10px 28px -20px rgba(18,26,23,.35);
  --shadow-2:0 18px 40px -24px rgba(18,26,23,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.85;
  letter-spacing:0;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--sans);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--text);
}
h1{font-size:clamp(2rem,3.6vw,3rem)}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem)}
h3{font-size:1.25rem;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--ink-green);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--clay)}
img{max-width:100%;display:block;border-radius:var(--r-img)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}
.show-for-sr{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.tnum{font-variant-numeric:tabular-nums}

/* ------- 按钮 / 标签 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:1rem;font-weight:600;letter-spacing:0;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .22s var(--ease);
}
.btn--clay{background:var(--clay);color:#fff;box-shadow:var(--shadow-1)}
.btn--clay:hover{background:var(--ink-green);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--clay:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink-green);border-color:var(--ink-green)}
.btn--ghost:hover{background:var(--ink-green);color:#fff}
.btn--light{background:#fff;color:var(--ink-green)}
.btn--light:hover{background:var(--sand);color:var(--ink-green-deep)}
.btn--sm{min-height:40px;padding:0 18px;font-size:.9375rem}
.btn--block{width:100%}
.pill{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:var(--line-2);color:var(--text-2);
  font-size:.75rem;line-height:1.6;letter-spacing:.1em;
}
.pill--ok{background:rgba(107,143,113,.16);color:#3F6349}
.pill--clay{background:rgba(194,101,58,.12);color:#9C4E2B}
.pill--rec{background:var(--clay);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.18em;color:var(--clay);font-weight:700;
  text-transform:uppercase;
}
.sec-index{
  font-family:var(--serif);font-size:2.4rem;font-weight:700;
  color:var(--line);line-height:1;font-variant-numeric:tabular-nums;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:.9375rem;color:var(--ink-green);
}
.link-arrow span{transition:transform .18s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ------- 双层导航 ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
}
.header-bar{background:#fff;border-bottom:1px solid var(--line-2)}
.header-bar__inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:64px;padding-top:8px;padding-bottom:8px;
  transition:min-height .22s var(--ease);
}
.site-header.is-compact .header-bar__inner{min-height:52px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--ink-green);display:grid;place-items:center;color:#fff;
}
.brand__mark svg{width:20px;height:20px}
.brand__name{
  display:block;font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;
  color:var(--ink-green);line-height:1.25;
}
.brand__sub{
  display:block;font-size:.75rem;letter-spacing:.14em;color:var(--text-3);line-height:1.4;
}
.header-tools{display:flex;align-items:center;gap:14px}
.search{
  display:flex;align-items:center;gap:6px;
  width:240px;height:40px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--ink-green);box-shadow:0 0 0 2px rgba(31,75,63,.14)}
.search input{
  flex:1 1 auto;height:100%;border:0;background:transparent;outline:none;
  font-size:.9375rem;color:var(--text);min-width:0;
}
.search input::placeholder{color:var(--text-3)}
.search button{
  width:32px;height:32px;display:grid;place-items:center;color:var(--text-3);
  border-radius:6px;transition:color .15s var(--ease),background-color .15s var(--ease);
}
.search button:hover{color:var(--ink-green);background:var(--line-2)}
.search-toggle{display:none;width:44px;height:44px;place-items:center;color:var(--ink-green);border-radius:8px}
.channel-nav{background:#fff}
.channel-nav__list{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav__list::-webkit-scrollbar{display:none}
.channel-nav__list a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:.9375rem;font-weight:500;color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.channel-nav__list a:hover{background:var(--line-2);color:var(--ink-green)}
.channel-nav__list a.is-active{background:var(--ink-green);color:#fff}

/* ------- Hero ------- */
.hero{padding:72px 0 88px;background:linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.hero__grid{display:flex;align-items:center;gap:56px}
.hero__copy{flex:1 1 58%;min-width:0}
.hero h1{margin:18px 0 0;font-size:clamp(2rem,3.6vw,3rem)}
.hero h1 em{font-style:normal;color:var(--ink-green)}
.hero__lede{
  margin-top:20px;max-width:34em;font-size:1.0625rem;line-height:1.8;color:var(--text-2);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;
  padding-top:24px;border-top:1px solid var(--line);
}
.hero__stats li{min-width:96px}
.hero__stats .num{
  display:block;font-size:1.5rem;font-weight:700;color:var(--ink-green);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero__stats .lbl{display:block;font-size:.75rem;letter-spacing:.1em;color:var(--text-3);margin-top:4px}
.hero__media{position:relative;flex:1 1 42%;min-width:0}
.hero__media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
.hero__badge{
  position:absolute;left:-28px;bottom:32px;width:210px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:var(--shadow-2);
}
.hero__badge p{margin-top:8px;font-size:.875rem;font-weight:600;color:var(--text)}
.hero__badge p.muted{margin-top:2px;font-weight:400;font-size:.75rem;color:var(--text-3)}
.seal{
  position:absolute;top:18px;right:18px;
  width:64px;padding:10px 0;border:2px solid rgba(255,255,255,.85);border-radius:8px;
  background:rgba(18,51,43,.55);color:#fff;
  font-family:var(--serif);font-size:.8125rem;line-height:1.3;letter-spacing:.18em;
  text-align:center;
}

/* ------- 优惠阶梯 ------- */
.ladder{background:#fff;border-top:1px solid var(--line-2)}
.ladder__grid{display:flex;gap:56px;align-items:flex-start}
.ladder__side{flex:0 0 25%;max-width:25%}
.ladder__side h2{margin-top:12px}
.ladder__side p{margin-top:14px;font-size:.9375rem;color:var(--text-2)}
.ladder__track{flex:1 1 auto;min-width:0}
.step{
  border-top:1px solid var(--line);
  padding:24px 0;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.step:last-child{border-bottom:1px solid var(--line)}
.step:hover{background:var(--line-2);transform:translateX(2px)}
.step__head{display:flex;align-items:baseline;gap:16px}
.step__no{
  font-family:var(--serif);font-size:1.375rem;font-weight:700;color:var(--clay);
  font-variant-numeric:tabular-nums;
}
.step__name{font-size:1.125rem;font-weight:700}
.step__gate{font-size:.8125rem;color:var(--text-3);letter-spacing:.06em}
.step__bar{
  height:10px;margin:14px 0 12px;border-radius:999px;
  background:linear-gradient(90deg,var(--ink-green),rgba(31,75,63,.45));
  width:var(--w,100%);
  transition:width .32s var(--ease);
}
.step__bar--2{background:linear-gradient(90deg,#2C6354,rgba(44,99,84,.45))}
.step__bar--3{background:linear-gradient(90deg,var(--clay),rgba(194,101,58,.45))}
.step__list{display:flex;flex-wrap:wrap;gap:10px 28px}
.step__list li{
  position:relative;padding-left:16px;font-size:.9375rem;color:var(--text-2);
}
.step__list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;background:var(--ink-green);border-radius:2px;
}
.step__action{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:.875rem;font-weight:600;color:var(--ink-green);
}
.step__action:hover{color:var(--clay)}

/* ------- 套餐对比 ------- */
.plans{background:var(--paper)}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:32px;
}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:.9375rem;max-width:52ch}
.plan-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
.plan-table{width:100%;min-width:760px;border-collapse:collapse;font-size:.9375rem}
.plan-table th,.plan-table td{
  padding:0 20px;height:56px;text-align:left;
  border-bottom:1px solid var(--line);vertical-align:middle;
}
.plan-table thead th{
  height:auto;padding-top:20px;padding-bottom:20px;background:#fff;
  vertical-align:top;font-weight:700;
}
.plan-table thead th:first-child{
  font-size:.8125rem;letter-spacing:.1em;color:var(--text-3);font-weight:600;
  padding-top:28px;
}
.plan-name{display:block;font-size:1rem;color:var(--text)}
.plan-price{
  display:block;margin-top:6px;font-size:1.75rem;font-weight:700;
  color:var(--ink-green);font-variant-numeric:tabular-nums;line-height:1.2;
}
.plan-price small{font-size:.75rem;font-weight:500;color:var(--text-3);margin-left:4px}
.plan-table tbody tr:nth-child(even){background:var(--paper)}
.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table td:first-child,
.plan-table th:first-child{
  position:sticky;left:0;z-index:2;background:#fff;
  box-shadow:1px 0 0 var(--line);
  color:var(--text-2);font-weight:600;
}
.plan-table tbody tr:nth-child(even) td:first-child{background:var(--paper)}
.col-rec{background:rgba(237,232,220,.55);border-top:2px solid var(--clay);position:relative}
.plan-table .col-rec{background:rgba(237,232,220,.55)}
.rec-flag{
  position:absolute;top:12px;right:16px;
  background:var(--clay);color:#fff;font-size:.75rem;
  padding:2px 10px;border-radius:999px;letter-spacing:.1em;
}
.check{width:18px;height:18px;color:var(--ink-green)}
.dash{display:inline-block;width:14px;height:2px;background:var(--line);vertical-align:middle}
.plan-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:20px 24px;background:#fff;border-top:1px solid var(--line);
}
.plan-foot .note{font-size:.8125rem;color:var(--text-3);flex:1 1 260px}
.scroll-hint{display:none;font-size:.8125rem;color:var(--text-3);margin-bottom:10px}

/* ------- 限时入口 ------- */
.limited{
  position:relative;overflow:hidden;
  background-color:var(--ink-green-deep);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px),
    url("/assets/images/backpic/back-3.png");
  background-size:auto,auto,cover;
  background-position:center,center,center;
  color:var(--paper);
}
.limited::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,51,43,.95),rgba(18,51,43,.78));
}
.limited .container{position:relative;z-index:1}
.limited__grid{display:flex;align-items:center;gap:56px}
.limited__copy{flex:1 1 60%;min-width:0}
.limited__copy h2{color:#fff;margin-top:14px}
.limited__copy p.lede{margin-top:14px;color:rgba(247,244,237,.78);font-size:1rem;max-width:44ch}
.countdown{display:flex;gap:14px;margin-top:28px}
.countdown div{
  min-width:86px;padding:12px 8px;border:1px solid rgba(247,244,237,.24);border-radius:10px;
  text-align:center;background:rgba(247,244,237,.06);
}
.countdown strong{
  display:block;font-size:2.25rem;line-height:1.1;color:var(--sand);
  font-variant-numeric:tabular-nums;font-weight:700;
}
.countdown span{display:block;margin-top:4px;font-size:.75rem;letter-spacing:.12em;color:rgba(247,244,237,.7)}
.limited__side{flex:0 0 34%;min-width:0}
.limited__side .btn{width:100%}
.limited__side .alt{
  display:block;margin-top:16px;text-align:center;color:rgba(247,244,237,.85);
  font-size:.9375rem;text-decoration:underline;text-underline-offset:6px;
}
.limited__side .alt:hover{color:var(--sand)}

/* ------- 最新信息 ------- */
.news{background:#fff;border-top:1px solid var(--line-2)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink-green)}
.news-card__media{display:block;overflow:hidden;border-radius:var(--r-img);margin-bottom:16px}
.news-card__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
  transition:transform .32s var(--ease);
}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card h3{margin:10px 0 0;font-size:1.0625rem;line-height:1.45}
.news-card h3 a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--ink-green);text-decoration:underline;text-underline-offset:4px}
.news-card__desc{
  margin-top:10px;font-size:.875rem;line-height:1.75;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line-2);
  font-size:.8125rem;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-card__meta .arrow{color:var(--ink-green);transition:transform .18s var(--ease)}
.news-card:hover .news-card__meta .arrow{transform:translateX(4px)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--text-2);
}
.empty-state svg{width:32px;height:32px;color:var(--text-3);margin:0 auto 12px}
.empty-state p{font-size:.9375rem;margin-bottom:16px}

/* ------- 咨询表单 ------- */
.consult{background:var(--paper)}
.consult__grid{display:flex;gap:56px;align-items:flex-start}
.consult__copy{flex:0 0 41%;max-width:41%}
.consult__copy h2{margin-top:12px}
.consult__copy p{margin-top:16px;color:var(--text-2);font-size:.9375rem}
.trust{margin-top:28px}
.trust li{
  display:flex;align-items:center;gap:12px;
  padding:14px 0;border-top:1px solid var(--line);
  font-size:.9375rem;color:var(--text-2);
}
.trust li:last-child{border-bottom:1px solid var(--line)}
.trust svg{width:18px;height:18px;color:var(--ink-green);flex:0 0 18px}
.form-card{
  flex:1 1 auto;min-width:0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:.9375rem;color:var(--text);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink-green);box-shadow:0 0 0 2px rgba(31,75,63,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field-row{display:flex;gap:16px}
.field-row .field{flex:1 1 0;min-width:0}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;color:var(--text-2);margin:4px 0 20px}
.agree input{width:18px;height:18px;min-height:0;flex:0 0 18px;margin-top:3px;accent-color:var(--ink-green)}
.form-note{margin-top:12px;font-size:.8125rem;color:var(--text-3);text-align:center}
.form-msg{margin-top:12px;font-size:.875rem;color:var(--ok);display:none}

/* ------- FAQ ------- */
.faq{background:#fff;border-top:1px solid var(--line-2)}
.faq-list.accordion{background:transparent;border:0;margin:0}
.faq-list .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.faq-list .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 0;border:0;
  font-size:1rem;font-weight:600;color:var(--text);background:transparent;
}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{background:transparent;color:var(--ink-green)}
.faq-sign{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .22s var(--ease)}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--ink-green);border-radius:2px;
}
.faq-sign::before{left:0;top:8px;width:18px;height:1.5px}
.faq-sign::after{left:8px;top:0;width:1.5px;height:18px}
.accordion-title[aria-expanded="true"] .faq-sign{transform:rotate(45deg)}
.faq-list .accordion-content{
  padding:0 0 20px;border:0;background:transparent;color:var(--text-2);
  font-size:.9375rem;line-height:1.8;
}
.faq-list .accordion-item.is-active .accordion-content{
  border-left:3px solid var(--clay);padding-left:20px;
}
.faq-list .accordion-content p{max-width:72ch}

/* ------- CTA 条 ------- */
.cta-bar{background:var(--line-2);border-top:1px solid var(--line)}
.cta-bar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px 0;
}
.cta-bar__inner p{font-size:1.0625rem;font-weight:600;color:var(--ink-green)}
.cta-bar__inner span{display:block;font-size:.875rem;font-weight:400;color:var(--text-2);margin-top:4px}
.cta-arrow{
  display:inline-flex;align-items:center;gap:10px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--ink-green);color:#fff;font-weight:600;font-size:.9375rem;
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.cta-arrow:hover{background:var(--clay);color:#fff;transform:translateY(-2px)}

/* ------- 页脚 ------- */
.site-footer{background:var(--paper);border-top:2px solid var(--ink-green-deep);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{font-size:.8125rem;letter-spacing:.14em;color:var(--text-3);margin-bottom:16px;font-weight:600}
.footer-brand__desc{margin-top:14px;font-size:.875rem;line-height:1.8;color:var(--text-2);max-width:30ch}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.9375rem;color:var(--text-2)}
.footer-links a:hover{color:var(--ink-green)}
.footer-contact li{
  padding:10px 0;border-top:1px solid var(--line);
  font-size:.9375rem;color:var(--text-2);font-variant-numeric:tabular-nums;
}
.footer-contact li:last-child{border-bottom:1px solid var(--line)}
.footer-contact strong{color:var(--text);font-weight:600;margin-right:8px}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;font-size:.8125rem;color:var(--text-3);
}

/* ------- 动效降级 ------- */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
.reveal-on{opacity:0;transform:translateY(12px);animation:rise .5s var(--ease) forwards}
.reveal-on:nth-child(2){animation-delay:.06s}
.reveal-on:nth-child(3){animation-delay:.12s}
.reveal-on:nth-child(4){animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:translateY(0)}}

/* ------- 响应式 ------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero__grid{flex-direction:column;gap:40px;align-items:stretch}
  .hero__media{order:2}
  .hero__media img{aspect-ratio:16/10}
  .hero__badge{left:16px;bottom:16px;width:auto;max-width:240px}
  .ladder__grid{flex-direction:column;gap:28px}
  .ladder__side{flex:0 0 auto;max-width:100%}
  .limited__grid{flex-direction:column;align-items:flex-start;gap:32px}
  .limited__side{flex:0 0 auto;width:100%;max-width:420px}
  .consult__grid{flex-direction:column;gap:32px}
  .consult__copy{flex:0 0 auto;max-width:100%}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scroll-hint{display:block}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:40px 0 56px}
  .header-bar__inner{min-height:56px}
  .brand__mark{width:34px;height:34px;flex-basis:34px}
  .brand__name{font-size:1rem}
  .search{display:none}
  .search-toggle{display:grid}
  .site-header.is-search-open .search{
    display:flex;position:absolute;left:0;right:0;top:0;height:100%;width:auto;
    background:#fff;padding:0 18px;z-index:8;border-radius:0;border:0;
    align-items:center;
  }
  .site-header.is-search-open .search input{height:44px}
  .header-tools .btn--sm{padding:0 14px;font-size:.875rem}
  .channel-nav__list{height:44px;gap:6px}
  .channel-nav__list a{height:32px;padding:0 14px;font-size:.875rem}
  .hero__actions .btn{width:100%}
  .hero__stats{gap:24px;margin-top:32px}
  .hero__stats li{min-width:88px}
  .hero__badge{position:static;width:100%;max-width:none;margin-top:12px}
  .seal{top:12px;right:12px;width:56px;font-size:.75rem}
  .countdown{gap:10px}
  .countdown div{min-width:0;flex:1 1 0;padding:10px 4px}
  .countdown strong{font-size:1.5rem}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-card{padding:20px}
  .news-card__media img{aspect-ratio:16/9}
  .form-card{padding:24px 20px}
  .field-row{flex-direction:column;gap:0}
  .faq-list .accordion-title{min-height:56px;font-size:.9375rem}
  .cta-bar__inner{flex-direction:column;align-items:flex-start;gap:16px;padding:24px 0}
  .cta-arrow{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .plan-table th,.plan-table td{padding:0 14px;height:52px}
  .plan-table thead th{padding-top:16px;padding-bottom:16px}
}
@media (max-width:519px){
  h1{font-size:1.75rem}
  .hero h1{font-size:1.75rem}
  .countdown strong{font-size:1.25rem}
  .step__list{gap:8px 18px}
}

/* roulang page: category1 */
:root{
  --ink-green:#1F4B3F;
  --ink-green-deep:#12332B;
  --clay:#C2653A;
  --sand:#E4B363;
  --paper:#F7F4ED;
  --card:#FFFFFF;
  --text:#121A17;
  --text-2:#4A554F;
  --text-3:#6B7570;
  --line:#DCD6C9;
  --line-2:#EDE8DC;
  --ok:#6B8F71;
  --warn:#B4462F;
  --radius-card:12px;
  --radius-img:10px;
  --radius-btn:8px;
  --shadow-1:0 1px 0 rgba(18,26,23,.04), 0 10px 28px -20px rgba(18,26,23,.35);
  --shadow-2:0 18px 40px -24px rgba(18,26,23,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink-green);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--clay);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:-0.02em;color:var(--text);}
h1{font-size:clamp(2rem,3.6vw,3rem);}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem);}
h3{font-size:1.25rem;line-height:1.35;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(194,101,58,.18);}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:1rem;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--clay{background:var(--clay);color:#fff;border-color:var(--clay);}
.btn--clay:hover{background:var(--ink-green);border-color:var(--ink-green);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--clay:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink-green);border-color:var(--ink-green);}
.btn--ghost:hover{background:var(--ink-green);color:#fff;transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--ink-green);border-color:#fff;}
.btn--light:hover{background:var(--sand);border-color:var(--sand);color:var(--ink-green-deep);transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:.9375rem;}
.btn--block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:.75rem;letter-spacing:.1em;font-weight:700;
  background:var(--line-2);color:var(--text-2);white-space:nowrap;
}
.pill--ok{background:rgba(107,143,113,.14);color:#3F6A4A;}
.pill--clay{background:rgba(194,101,58,.12);color:var(--clay);}
.pill--line{background:transparent;border:1px solid var(--line);color:var(--text-3);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.14em;font-weight:700;color:var(--clay);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--clay);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 28px -24px rgba(18,26,23,.6);}
.header-bar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding-top:8px;padding-bottom:8px;
  transition:min-height .22s var(--ease);
}
.site-header.is-stuck .header-bar__inner{min-height:52px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--ink-green);}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-green);color:#fff;
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:1.0625rem;letter-spacing:-0.01em;}
.brand__sub{font-size:.75rem;color:var(--text-3);letter-spacing:.08em;font-weight:600;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search{display:flex;align-items:center;position:relative;width:240px;}
.search input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;padding:0 42px 0 14px;font-size:.9375rem;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{outline:none;border-color:var(--ink-green);box-shadow:0 0 0 2px rgba(31,75,63,.14);}
.search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;background:transparent;color:var(--text-3);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:6px;
}
.search button:hover{color:var(--ink-green);}
.search-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--text-2);cursor:pointer;
}
.search-toggle:hover{border-color:var(--ink-green);color:var(--ink-green);}

/* 频道 Tabs */
.channel-nav{background:#fff;border-top:1px solid var(--line-2);}
.channel-nav .container{position:relative;}
.channel-nav__list{
  display:flex;align-items:center;gap:6px;
  height:48px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:0 4px;
}
.channel-nav__list::-webkit-scrollbar{display:none;}
.channel-nav__list li{flex:0 0 auto;}
.channel-nav__list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:var(--text-2);
  transition:background-color .15s var(--ease),color .15s var(--ease);
  white-space:nowrap;
}
.channel-nav__list a:hover{background:var(--line-2);color:var(--ink-green);}
.channel-nav__list a.is-active{background:var(--ink-green);color:#fff;}
.channel-nav__list a.is-active:hover{background:var(--ink-green-deep);color:#fff;}

/* 移动端搜索覆盖层 */
.search-layer{
  position:fixed;inset:0;z-index:120;background:rgba(18,26,23,.42);
  display:none;padding:76px 18px 0;
}
.search-layer.is-open{display:block;}
.search-layer__panel{background:#fff;border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-2);}
.search-layer__panel .search{width:100%;}
.search-layer__close{
  margin-top:12px;width:100%;min-height:44px;border:1px solid var(--line);
  background:#fff;border-radius:var(--radius-btn);color:var(--text-2);font-weight:600;cursor:pointer;
}

/* ---------- Hero ---------- */
.hero{background:var(--paper);padding:36px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb [aria-current="page"]{color:var(--text-3);}
.hero__grid{padding-bottom:64px;}
.hero__title{
  font-family:var(--serif);font-weight:700;letter-spacing:-0.01em;
  margin:16px 0 18px;color:var(--ink-green-deep);
}
.hero__title .hl{color:var(--clay);}
.hero__sub{font-size:1.0625rem;line-height:1.8;color:var(--text-2);max-width:36em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero__metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
.metric__num{font-size:1.5rem;font-weight:800;color:var(--ink-green);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric__label{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);font-weight:600;}
.hero__figure{position:relative;}
.hero__figure img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero__stamp{
  position:absolute;top:-10px;right:14px;
  width:62px;padding:10px 0;text-align:center;
  border:2px solid var(--clay);border-radius:8px;background:rgba(247,244,237,.92);
  font-family:var(--serif);font-size:.8125rem;line-height:1.35;color:var(--clay);font-weight:700;letter-spacing:.06em;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--card{background:var(--card);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin:14px 0 14px;}
.section-head p{color:var(--text-2);font-size:1.0625rem;line-height:1.8;}

/* 序号（衬线） */
.serial{
  font-family:var(--serif);font-weight:700;font-size:.9375rem;
  color:var(--clay);letter-spacing:.08em;font-variant-numeric:tabular-nums;
}

/* ---------- 入口要素清单 ---------- */
.factor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px;}
.factor{
  display:flex;gap:16px;padding:22px 0;border-top:1px solid var(--line);
}
.factor__no{
  flex:0 0 34px;height:34px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:.875rem;color:var(--ink-green);font-variant-numeric:tabular-nums;
  background:#fff;
}
.factor h3{font-size:1.0625rem;margin-bottom:6px;}
.factor p{font-size:.9375rem;color:var(--text-3);line-height:1.75;margin:0;}
.factor__tag{margin-top:10px;display:inline-block;font-size:.75rem;letter-spacing:.08em;color:var(--ink-green);font-weight:700;}

/* ---------- 步骤时间线 ---------- */
.step-layout{display:grid;grid-template-columns:3fr 9fr;gap:56px;align-items:start;}
.step-aside h2{margin:12px 0 14px;}
.step-aside p{color:var(--text-2);font-size:1rem;line-height:1.85;}
.steps{position:relative;padding-left:34px;}
.steps::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--line);}
.step{position:relative;padding:0 0 34px 0;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-34px;top:9px;width:15px;height:15px;border-radius:50%;
  background:var(--ink-green);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--line);
}
.step__no{font-family:var(--serif);font-size:.875rem;color:var(--clay);font-weight:700;letter-spacing:.08em;font-variant-numeric:tabular-nums;}
.step h3{margin:6px 0 8px;}
.step p{color:var(--text-2);font-size:.9875rem;line-height:1.8;margin:0;}
.step__hint{
  margin-top:12px;display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;border-left:3px solid var(--clay);background:#fff;border-radius:0 8px 8px 0;
  font-size:.875rem;color:var(--text-2);line-height:1.7;
}
.step__hint strong{color:var(--ink-green);}

/* ---------- 自检区块（图文两列） ---------- */
.check-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.check-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.check-figure figcaption{font-size:.8125rem;color:var(--text-3);margin-top:12px;}
.check-list li{
  display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--line);
}
.check-list li:first-child{border-top:0;padding-top:0;}
.check-ico{
  flex:0 0 26px;height:26px;border-radius:50%;border:1.5px solid var(--ink-green);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-green);margin-top:3px;
}
.check-ico svg{width:14px;height:14px;}
.check-list h3{font-size:1rem;margin-bottom:4px;}
.check-list p{font-size:.9375rem;color:var(--text-3);line-height:1.75;margin:0;}

/* ---------- FAQ ---------- */
.faq-block{max-width:900px;}
.faq-acc{border:0;background:transparent;margin:0;}
.faq-acc .accordion-item{
  position:relative;border-top:1px solid var(--line);border-bottom:0;background:transparent;
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-acc .accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--clay);border-radius:2px;
}
.faq-acc .accordion-title{
  display:block;padding:20px 52px 20px 18px;
  font-size:1.0625rem;font-weight:700;color:var(--text);background:transparent;
  border:0;line-height:1.5;transition:color .15s var(--ease);
}
.faq-acc .accordion-title:hover{color:var(--ink-green);background:var(--line-2);}
.faq-acc .accordion-title::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:1.375rem;font-weight:400;color:var(--ink-green);line-height:1;
  transition:transform .22s var(--ease),color .15s var(--ease);
}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--ink-green);}
.faq-acc .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);color:var(--clay);}
.faq-acc .accordion-content{
  padding:8px 52px 22px 18px !important;border:0 !important;background:transparent !important;
  color:var(--text-2);font-size:.9375rem;line-height:1.8;max-width:72ch;
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--ink-green-deep);color:var(--paper);position:relative;overflow:hidden;
  padding:64px 0;
}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(247,244,237,.5) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(247,244,237,.5) 0 1px,transparent 1px 32px);
  opacity:.05;pointer-events:none;
}
.cta-bar__inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-bar h2{color:#fff;margin-bottom:10px;}
.cta-bar p{color:rgba(247,244,237,.76);font-size:1rem;max-width:44em;margin:0;}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-bar__actions .btn--ghost{color:#fff;border-color:rgba(247,244,237,.5);}
.cta-bar__actions .btn--ghost:hover{background:#fff;color:var(--ink-green);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:2px solid var(--ink-green-deep);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-grid h4{font-size:.8125rem;letter-spacing:.12em;color:var(--text-3);font-weight:700;margin-bottom:16px;}
.footer-brand__desc{font-size:.875rem;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:24em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.9375rem;color:var(--text-2);}
.footer-links a:hover{color:var(--ink-green);}
.footer-contact li{font-size:.875rem;color:var(--text-2);line-height:1.9;font-variant-numeric:tabular-nums;}
.footer-contact strong{display:inline-block;min-width:5.4em;color:var(--text-3);font-weight:600;font-size:.8125rem;letter-spacing:.04em;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--text-3);line-height:1.7;
}

/* ---------- 入场动效 ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.rise{opacity:0;animation:riseIn .32s var(--ease) forwards;}
.rise-1{animation-delay:.06s;}
.rise-2{animation-delay:.12s;}
.rise-3{animation-delay:.18s;}
.rise-4{animation-delay:.24s;}

/* ---------- 响应式 ---------- */
@media screen and (min-width:1440px){
  .container{max-width:1200px;}
}
@media screen and (max-width:1023px){
  .hero__grid{padding-bottom:52px;}
  .step-layout{grid-template-columns:1fr;gap:32px;}
  .check-wrap{grid-template-columns:1fr;gap:32px;}
  .check-figure{order:-1;}
  .hero__figure img{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .header-bar__inner{min-height:56px;gap:12px;}
  .brand__name{font-size:.9375rem;}
  .brand__sub{font-size:.6875rem;}
  .brand__mark{width:34px;height:34px;flex:0 0 34px;}
  .channel-nav__list{height:46px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:28px;}
  .hero{padding-top:24px;}
  .hero__title{margin:14px 0 14px;}
  .hero__sub{font-size:1rem;}
  .hero__actions .btn{width:100%;}
  .hero__metrics{gap:22px;margin-top:26px;padding-top:20px;}
  .hero__figure{margin-top:8px;}
  .hero__stamp{top:-8px;right:8px;width:56px;font-size:.75rem;}
  .factor-grid{grid-template-columns:1fr;column-gap:0;}
  .factor{padding:18px 0;}
  .steps{padding-left:26px;}
  .steps::before{left:6px;}
  .step::before{left:-26px;width:13px;height:13px;}
  .faq-acc .accordion-title{padding:16px 44px 16px 14px;font-size:1rem;min-height:56px;}
  .faq-acc .accordion-content{padding:6px 20px 18px 14px !important;}
  .cta-bar{padding:48px 0;}
  .cta-bar__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .rise{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink-green:#1F4B3F;
  --ink-green-deep:#12332B;
  --clay:#C2653A;
  --sand:#E4B363;
  --paper:#F7F4ED;
  --card:#FFFFFF;
  --text:#121A17;
  --text-2:#4A554F;
  --text-3:#6B7570;
  --line:#DCD6C9;
  --line-2:#EDE8DC;
  --ok:#6B8F71;
  --warn:#B4462F;
  --radius-card:12px;
  --radius-img:10px;
  --radius-btn:8px;
  --shadow-1:0 1px 0 rgba(18,26,23,.04), 0 10px 28px -20px rgba(18,26,23,.35);
  --shadow-2:0 18px 40px -24px rgba(18,26,23,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:64px;
  --nav-h:48px;
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--sans);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--text);
  margin:0;
}
p{margin:0;}
a{color:var(--ink-green);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--clay);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.show-for-sr{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--card);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-compact{box-shadow:0 8px 24px -22px rgba(18,26,23,.5);}
.header-bar{border-bottom:1px solid var(--line-2);}
.header-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:var(--header-h);
  padding-top:8px;
  padding-bottom:8px;
  transition:min-height .22s var(--ease);
}
.site-header.is-compact .header-bar__inner{min-height:52px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink-green);
  min-height:44px;
}
.brand:hover{color:var(--ink-green-deep);}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  flex:0 0 36px;
  border-radius:9px;
  background:var(--ink-green);
  color:#F7F4ED;
  border:1px solid var(--ink-green-deep);
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:inherit;
}
.brand__sub{
  font-size:.75rem;
  color:var(--text-3);
  letter-spacing:.1em;
  font-weight:400;
}
.header-tools{display:flex;align-items:center;gap:12px;}
.search{
  position:relative;
  display:flex;
  align-items:center;
  width:240px;
  height:40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.search:focus-within{
  border-color:var(--ink-green);
  box-shadow:0 0 0 2px rgba(31,75,63,.14);
}
.search input[type="search"]{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  padding:0 8px 0 14px;
  font-size:.9375rem;
  color:var(--text);
  box-shadow:none;
  margin:0;
}
.search input[type="search"]::placeholder{color:var(--text-3);}
.search input[type="search"]:focus{outline:none;box-shadow:none;}
.search button{
  flex:0 0 40px;
  width:40px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  background:transparent;
  color:var(--text-2);
  border-radius:0 8px 8px 0;
  transition:color .15s var(--ease),background-color .15s var(--ease);
}
.search button:hover{color:var(--ink-green);background:var(--line-2);}
.search-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--card);
  color:var(--ink-green);
  transition:border-color .15s var(--ease),background-color .15s var(--ease);
}
.search-toggle:hover{border-color:var(--ink-green);background:var(--line-2);}

/* ============ 频道 Tabs ============ */
.channel-nav{
  background:var(--card);
  border-bottom:1px solid var(--line);
}
.channel-nav__list{
  display:flex;
  align-items:center;
  gap:6px;
  min-height:var(--nav-h);
  overflow-x:auto;
  overflow-y:hidden;
  white-space:nowrap;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:6px 0;
}
.channel-nav__list::-webkit-scrollbar{display:none;}
.channel-nav__list a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:.9375rem;
  color:var(--text-2);
  border:1px solid transparent;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease);
}
.channel-nav__list a:hover{background:var(--line-2);color:var(--ink-green);}
.channel-nav__list a.is-active{
  background:var(--ink-green);
  color:#F7F4ED;
  border-color:var(--ink-green);
}
.channel-nav__list a.is-active:hover{background:var(--ink-green-deep);color:#F7F4ED;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 22px;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--clay{background:var(--clay);color:#FFF;border-color:var(--clay);}
.btn--clay:hover,.btn--clay:focus{background:var(--ink-green);border-color:var(--ink-green);color:#FFF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;color:var(--ink-green);border-color:var(--ink-green);}
.btn--ghost:hover,.btn--ghost:focus{background:var(--ink-green);color:#F7F4ED;transform:translateY(-1px);}
.btn--sm{min-height:38px;padding:8px 18px;font-size:.875rem;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:.75rem;
  letter-spacing:.06em;
  background:var(--line-2);
  color:var(--text-2);
  line-height:1.6;
  border:1px solid transparent;
}
.pill--ok{background:rgba(107,143,113,.14);color:#3F6247;border-color:rgba(107,143,113,.28);}
.pill--clay{background:rgba(194,101,58,.12);color:#96482A;border-color:rgba(194,101,58,.26);}

/* ============ 文章页 ============ */
.article-main{padding-bottom:0;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.8125rem;
  color:var(--text-3);
  padding:24px 0 8px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{
  color:var(--text-3);
  max-width:320px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-shell{padding:16px 0 72px;}
.article-head{
  max-width:820px;
  margin:0 auto;
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.article-head h1{
  font-size:clamp(2rem,3.6vw,3rem);
  font-weight:800;
  line-height:1.2;
  margin:18px 0 16px;
  letter-spacing:-.025em;
  color:var(--ink-green-deep);
  word-break:break-word;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:.875rem;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-meta time{color:var(--text-2);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
  max-width:1200px;
  margin:0 auto;
  padding-top:40px;
}
.article-col{max-width:820px;min-width:0;}
.article-body{
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text);
  max-width:760px;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:clamp(1.4rem,2.2vw,1.85rem);
  line-height:1.32;
  margin:2.2em 0 .8em;
  padding-left:14px;
  position:relative;
  color:var(--ink-green-deep);
  scroll-margin-top:140px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--ink-green);
}
.article-body h3{
  font-size:1.25rem;
  margin:1.6em 0 .6em;
  color:var(--ink-green-deep);
  scroll-margin-top:140px;
}
.article-body h4{font-size:1.0625rem;margin:1.4em 0 .5em;color:var(--text);}
.article-body a{color:var(--ink-green);border-bottom:1px solid rgba(31,75,63,.28);}
.article-body a:hover{color:var(--clay);border-bottom-color:rgba(194,101,58,.45);}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--radius-img);
  margin:1.6em auto;
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:.8125rem;
  color:var(--text-3);
  text-align:center;
  margin-top:10px;
}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:.55em;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:6px;
  height:6px;
  border-radius:1px;
  background:var(--clay);
}
.article-body ol{
  list-style:none;
  counter-reset:artol;
  margin:0 0 1.2em;
}
.article-body ol li{
  counter-increment:artol;
  position:relative;
  padding-left:34px;
  margin-bottom:.55em;
  font-variant-numeric:tabular-nums;
}
.article-body ol li::before{
  content:counter(artol,decimal-leading-zero);
  position:absolute;
  left:0;
  top:0;
  font-size:.8125rem;
  font-weight:700;
  color:var(--clay);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  line-height:1.9;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 22px;
  border-left:3px solid var(--clay);
  background:var(--paper);
  border-radius:0 10px 10px 0;
  color:var(--text-2);
  font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.9375rem;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  font-variant-numeric:tabular-nums;
}
.article-body thead th{background:var(--line-2);font-weight:700;color:var(--ink-green-deep);}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  line-height:1.7;
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:nth-child(even){background:rgba(247,244,237,.6);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{
  background:var(--line-2);
  border-radius:4px;
  padding:2px 6px;
  font-size:.9em;
}

.article-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:48px 0 0;
  padding-top:28px;
  border-top:1px solid var(--line);
}

/* FAQ */
.faq-block{margin-top:56px;}
.faq-block h2{
  font-size:clamp(1.35rem,2.2vw,1.7rem);
  color:var(--ink-green-deep);
  margin-bottom:8px;
}
.faq-block .faq-desc{font-size:.9375rem;color:var(--text-3);margin-bottom:20px;}
.accordion.faq-accordion{
  background:transparent;
  border:0;
  margin:0;
  padding:0;
  list-style:none;
}
.accordion.faq-accordion .accordion-item{
  border:0;
  border-top:1px solid var(--line);
  background:transparent;
}
.accordion.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 46px 20px 16px;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:0;
  line-height:1.6;
  transition:color .15s var(--ease),background-color .15s var(--ease);
}
.accordion.faq-accordion .accordion-title:hover{color:var(--ink-green);background:rgba(237,232,220,.5);}
.accordion.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:16px;
  top:50%;
  transform:translateY(-50%);
  width:auto;
  height:auto;
  margin:0;
  border:0;
  font-size:1.4rem;
  font-weight:400;
  line-height:1;
  color:var(--ink-green);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.accordion.faq-accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);
  color:var(--clay);
}
.accordion.faq-accordion .accordion-item.is-active .accordion-title{
  color:var(--ink-green-deep);
  box-shadow:inset 3px 0 0 var(--clay);
}
.accordion.faq-accordion .accordion-content{
  padding:0 20px 20px 16px;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:.9375rem;
  line-height:1.8;
  max-width:72ch;
}

/* 侧栏 */
.article-side{
  position:sticky;
  top:calc(var(--header-h) + var(--nav-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:24px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:.8125rem;
  letter-spacing:.1em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:16px;
  text-transform:uppercase;
}
.related-item{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line-2);
  transition:transform .18s var(--ease);
}
.related-item:first-of-type{border-top:0;padding-top:0;}
.related-item:hover{transform:translateX(2px);}
.related-item__thumb{
  flex:0 0 72px;
  width:72px;
  height:56px;
  border-radius:8px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--line-2);
}
.related-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.related-item:hover .related-item__thumb img{transform:scale(1.05);}
.related-item__body{min-width:0;}
.related-item__title{
  font-size:.875rem;
  font-weight:600;
  line-height:1.45;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .15s var(--ease);
}
.related-item:hover .related-item__title{color:var(--ink-green);}
.related-item__date{
  font-size:.75rem;
  color:var(--text-3);
  margin-top:6px;
  font-variant-numeric:tabular-nums;
}
.back-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
}
.back-card h3{font-size:1rem;color:var(--ink-green-deep);margin-bottom:8px;}
.back-card p{font-size:.875rem;color:var(--text-3);line-height:1.7;margin-bottom:14px;}
.back-card .btn{width:100%;}

/* 移动端相关推荐 */
.related-mobile{display:none;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.related-mobile h2{font-size:1.25rem;color:var(--ink-green-deep);margin-bottom:18px;}
.related-mobile .related-item{border-top:1px solid var(--line);padding:16px 0;}
.related-mobile .related-item:first-of-type{border-top:1px solid var(--line);padding-top:16px;}

/* 空态 */
.empty-state{
  max-width:760px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:48px 24px;
  text-align:center;
  background:var(--card);
}
.empty-state .empty-icon{
  width:48px;height:48px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);
  color:var(--text-3);background:var(--paper);
}
.empty-state p{color:var(--text-2);font-size:1rem;margin-bottom:18px;}

/* 页尾 CTA 条 */
.cta-strip{
  background:var(--line-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:72px;
}
.cta-strip__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:28px 0;
}
.cta-strip__text{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--ink-green-deep);
  letter-spacing:-.01em;
}
.cta-strip__text .num{
  font-family:var(--serif);
  font-size:1.25rem;
  color:var(--clay);
  font-weight:700;
}
.cta-strip .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--paper);
  border-top:2px solid var(--ink-green-deep);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-grid h4{
  font-size:.8125rem;
  letter-spacing:.1em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:16px;
}
.footer-brand__desc{
  font-size:.875rem;
  line-height:1.75;
  color:var(--text-2);
  margin-top:16px;
  max-width:26ch;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:.9375rem;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  min-height:28px;
  transition:color .15s var(--ease),transform .15s var(--ease);
}
.footer-links a:hover{color:var(--ink-green);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{
  font-size:.875rem;
  color:var(--text-2);
  line-height:1.7;
  font-variant-numeric:tabular-nums;
}
.footer-contact strong{
  display:block;
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:2px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  font-size:.8125rem;
  color:var(--text-3);
  line-height:1.7;
  font-variant-numeric:tabular-nums;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{display:none;}
  .related-mobile{display:block;}
  .article-col{max-width:100%;}
  .article-body{max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .header-bar__inner{min-height:56px;gap:12px;}
  .site-header.is-compact .header-bar__inner{min-height:52px;}
  .brand__name{font-size:.9375rem;}
  .brand__sub{font-size:.6875rem;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .site-header.search-open .search{
    display:flex;
    position:absolute;
    left:18px;
    right:18px;
    top:calc(100% + 8px);
    width:auto;
    height:44px;
    z-index:70;
    box-shadow:var(--shadow-2);
  }
  .header-tools .btn--sm{min-height:40px;padding:8px 14px;font-size:.8125rem;}
  .channel-nav__list{gap:4px;padding:6px 0;}
  .channel-nav__list a{padding:0 14px;font-size:.875rem;min-height:34px;}
  .breadcrumb{padding:18px 0 6px;font-size:.75rem;}
  .breadcrumb .current{max-width:180px;}
  .article-shell{padding:8px 0 48px;}
  .article-head{padding-bottom:20px;}
  .article-head h1{margin:14px 0 14px;}
  .article-layout{padding-top:28px;}
  .article-body{font-size:1rem;line-height:1.85;}
  .article-body h2{margin-top:1.9em;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-actions .btn{flex:1 1 100%;}
  .faq-block{margin-top:40px;}
  .accordion.faq-accordion .accordion-title{padding:18px 44px 18px 14px;font-size:.9375rem;}
  .cta-strip{margin-top:48px;}
  .cta-strip__inner{flex-direction:column;align-items:flex-start;gap:16px;padding:24px 0;}
  .cta-strip__text{font-size:1rem;}
  .cta-strip .btn{width:100%;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-brand__desc{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .side-card{padding:18px;}
  .empty-state{padding:36px 18px;}
}
@media (max-width:520px){
  .article-head h1{font-size:1.7rem;}
  .related-item__thumb{flex:0 0 64px;width:64px;height:50px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category3 */
:root{
  --ink-green:#1F4B3F;
  --ink-green-deep:#12332B;
  --clay:#C2653A;
  --sand:#E4B363;
  --paper:#F7F4ED;
  --card:#FFFFFF;
  --text:#121A17;
  --text-2:#4A554F;
  --text-3:#6B7570;
  --line:#DCD6C9;
  --line-2:#EDE8DC;
  --ok:#6B8F71;
  --warn:#B4462F;
  --shadow-1:0 1px 0 rgba(18,26,23,.04),0 10px 28px -20px rgba(18,26,23,.35);
  --shadow-2:0 18px 40px -24px rgba(18,26,23,.45);
  --radius-card:12px;
  --radius-img:10px;
  --radius-btn:8px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 16px;
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.15;
  color:var(--text);
}
p{margin:0 0 16px;}
a{color:var(--ink-green);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--clay);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0 0 16px;padding-left:1.15rem;}
li{margin-bottom:8px;}
button{font-family:inherit;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.show-for-sr{
  position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink-green);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;color:#fff;}
/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:.9375rem;font-weight:600;line-height:1;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--clay{background:var(--clay);color:#fff;border-color:var(--clay);}
.btn--clay:hover,.btn--clay:focus{background:var(--ink-green);border-color:var(--ink-green);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:var(--ink-green);color:var(--ink-green);}
.btn--ghost:hover,.btn--ghost:focus{background:var(--ink-green);color:#fff;transform:translateY(-1px);}
.btn--light{background:#fff;color:var(--ink-green);border-color:#fff;}
.btn--light:hover,.btn--light:focus{background:var(--sand);border-color:var(--sand);color:var(--ink-green-deep);transform:translateY(-1px);}
.btn--sm{min-height:38px;padding:0 16px;font-size:.875rem;}
.btn--block{width:100%;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;letter-spacing:.1em;
  padding:4px 10px;border-radius:999px;
  background:var(--line-2);color:var(--text-2);
  line-height:1.6;
}
.pill--ok{background:rgba(107,143,113,.16);color:#3F6B49;}
.pill--clay{background:rgba(194,101,58,.12);color:var(--clay);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.1em;font-weight:700;
  color:var(--clay);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--clay);display:inline-block;
}
.num-serif{font-family:var(--font-serif);font-variant-numeric:tabular-nums;letter-spacing:0;}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-bar__inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;
  transition:height .22s var(--ease);
}
.site-header.is-compact .header-bar__inner{height:52px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--ink-green);flex:0 0 auto;
}
.brand:hover{color:var(--ink-green);}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--paper);
  color:var(--ink-green);
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.brand:hover .brand__mark{border-color:var(--ink-green);background:#fff;}
.brand__mark svg{width:20px;height:20px;}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:1rem;font-weight:700;letter-spacing:-0.01em;}
.brand__sub{font-size:.75rem;letter-spacing:.1em;color:var(--text-3);margin-top:2px;}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search{position:relative;width:240px;}
.search input[type="search"]{
  width:100%;height:40px;
  padding:0 42px 0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;color:var(--text);
  font-size:.875rem;font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.search input[type="search"]::placeholder{color:var(--text-3);}
.search input[type="search"]:focus{
  outline:none;border-color:var(--ink-green);
  box-shadow:0 0 0 2px rgba(31,75,63,.14);
}
.search button{
  position:absolute;right:4px;top:4px;
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:6px;background:transparent;
  color:var(--text-3);cursor:pointer;
  transition:background-color .15s var(--ease),color .15s var(--ease);
}
.search button:hover{background:var(--line-2);color:var(--ink-green);}
.search-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;color:var(--ink-green);
  cursor:pointer;
}
.channel-nav{border-top:1px solid var(--line-2);background:#fff;}
.channel-nav__list{
  display:flex;align-items:center;gap:6px;
  list-style:none;margin:0;padding:6px 0;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav__list::-webkit-scrollbar{display:none;}
.channel-nav__list li{margin:0;flex:0 0 auto;}
.channel-nav__list a{
  display:block;
  padding:8px 16px;
  border-radius:999px;
  font-size:.9375rem;color:var(--text-2);
  white-space:nowrap;
  transition:background-color .15s var(--ease),color .15s var(--ease);
}
.channel-nav__list a:hover{background:var(--line-2);color:var(--ink-green);}
.channel-nav__list a.is-active{
  background:var(--ink-green);color:#fff;
}
.channel-nav__list a.is-active:hover{background:var(--ink-green-deep);color:#fff;}
/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line-2);}
.breadcrumb{
  list-style:none;margin:0;padding:14px 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);
}
.breadcrumb li{margin:0;display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--ink-green);}
.breadcrumb [aria-current="page"]{color:var(--text-3);}
/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  padding:64px 0 56px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(18,26,23,.035) 0 1px,transparent 1px 9px),
    repeating-linear-gradient(90deg,rgba(18,26,23,.035) 0 1px,transparent 1px 9px);
}
.page-hero .container{position:relative;z-index:1;}
.page-hero__grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:56px;align-items:center;
}
.page-hero h1{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(2rem,3.6vw,3rem);
  line-height:1.2;
  letter-spacing:-0.02em;
  margin-bottom:20px;
}
.page-hero__lead{
  font-size:1.0625rem;line-height:1.8;color:var(--text-2);
  max-width:34em;margin-bottom:28px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-facts{
  list-style:none;display:flex;flex-wrap:wrap;gap:28px;
  margin:0;padding:20px 0 0;border-top:1px solid var(--line);
}
.hero-facts li{
  margin:0;
  display:flex;flex-direction:column;gap:2px;
  font-size:.75rem;color:var(--text-3);letter-spacing:.04em;
}
.hero-facts strong{
  font-family:var(--font-serif);
  font-size:1.5rem;font-weight:700;color:var(--ink-green);
  font-variant-numeric:tabular-nums;letter-spacing:-0.01em;
}
.page-hero__media{
  margin:0;position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.page-hero__media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;display:block;
}
.page-hero__seal{
  position:absolute;top:14px;right:14px;
  width:56px;height:56px;
  border:1px solid var(--clay);
  border-radius:8px;
  background:rgba(247,244,237,.92);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);
  font-size:.75rem;line-height:1.15;color:var(--clay);
  text-align:center;letter-spacing:.08em;
  padding:4px;
}
/* ============ 板块基础 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--white{background:#fff;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section--paper{background:var(--paper);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.5rem,2.4vw,2.1rem);
  margin-bottom:16px;
}
.section-head p{color:var(--text-2);font-size:1.0625rem;margin-bottom:0;max-width:40em;}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}
/* ============ 文档布局：目录 + 正文 ============ */
.doc-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.doc-toc{
  position:sticky;
  top:128px;
  border-right:1px solid var(--line-2);
  padding-right:24px;
}
.doc-toc__title{
  font-size:.75rem;letter-spacing:.1em;font-weight:700;
  color:var(--text-3);text-transform:uppercase;
  margin-bottom:14px;
}
.doc-toc__list{list-style:none;margin:0 0 28px;padding:0;}
.doc-toc__list li{margin:0;}
.doc-toc__list a{
  display:block;
  padding:9px 0 9px 14px;
  border-left:1px solid var(--line);
  font-size:.9375rem;color:var(--text-2);
  transition:color .15s var(--ease),border-color .15s var(--ease),background-color .15s var(--ease);
}
.doc-toc__list a:hover{color:var(--ink-green);border-left-color:var(--ink-green);background:rgba(31,75,63,.04);}
.doc-toc__list a.is-current{
  color:var(--ink-green);font-weight:600;
  border-left:2px solid var(--clay);
  padding-left:13px;
}
.doc-toc__card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  padding:20px;
}
.doc-toc__card p{font-size:.8125rem;color:var(--text-3);margin-bottom:14px;line-height:1.7;}
.doc-body{max-width:760px;}
.doc-block{margin-bottom:56px;scroll-margin-top:130px;}
.doc-block:last-child{margin-bottom:0;}
.doc-block h2{
  font-size:clamp(1.25rem,2vw,1.55rem);
  margin-bottom:18px;
  padding-left:14px;
  border-left:3px solid var(--ink-green);
  line-height:1.3;
}
.doc-block h3{
  font-size:1.0625rem;
  margin-top:32px;margin-bottom:12px;
  color:var(--ink-green-deep);
}
.doc-block p{font-size:1.0625rem;line-height:1.9;color:var(--text-2);}
.doc-block p strong{color:var(--text);font-weight:600;}
.doc-block ul{list-style:none;padding-left:0;margin-bottom:20px;}
.doc-block ul li{
  position:relative;padding-left:20px;
  font-size:1rem;line-height:1.8;color:var(--text-2);
  margin-bottom:10px;
}
.doc-block ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;background:var(--clay);border-radius:1px;
}
.doc-block ol{
  padding-left:1.35rem;
  font-variant-numeric:tabular-nums;
}
.doc-block ol li{
  font-size:1rem;line-height:1.8;color:var(--text-2);
  margin-bottom:10px;padding-left:4px;
}
.doc-note{
  border-left:3px solid var(--clay);
  background:#fff;
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:18px 22px;
  margin:24px 0;
  box-shadow:var(--shadow-1);
}
.doc-note p{margin:0;font-size:.9375rem;line-height:1.8;color:var(--text-2);}
.doc-note strong{color:var(--clay);}
/* ============ 资源分组卡片（两列） ============ */
.resource-grid{margin-top:8px;}
.resource-card{
  height:100%;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.resource-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--ink-green);
}
.resource-card__icon{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--paper);
  color:var(--ink-green);
  margin-bottom:18px;
}
.resource-card h3{font-size:1.125rem;margin-bottom:10px;}
.resource-card p{font-size:.9375rem;line-height:1.8;color:var(--text-3);margin-bottom:18px;flex:1 1 auto;}
.resource-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.resource-card__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;font-weight:600;color:var(--ink-green);
  min-height:32px;
}
.resource-card__link svg{transition:transform .18s var(--ease);}
.resource-card__link:hover{color:var(--clay);}
.resource-card__link:hover svg{transform:translateX(3px);}
/* ============ 速查表 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  box-shadow:var(--shadow-1);
  -webkit-overflow-scrolling:touch;
}
.quick-table{width:100%;min-width:760px;border-collapse:collapse;}
.quick-table thead th{
  background:#fff;
  text-align:left;
  font-size:.75rem;letter-spacing:.08em;font-weight:700;
  color:var(--text-3);text-transform:uppercase;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.quick-table tbody td{
  padding:16px 18px;
  font-size:.9375rem;line-height:1.75;
  color:var(--text-2);
  border-bottom:1px solid var(--line-2);
  vertical-align:top;
}
.quick-table tbody tr:last-child td{border-bottom:0;}
.quick-table tbody tr:nth-child(even) td{background:var(--paper);}
.quick-table tbody td:first-child{
  font-weight:600;color:var(--text);
  position:sticky;left:0;z-index:1;
  background:#fff;
  box-shadow:1px 0 0 var(--line);
  white-space:nowrap;
}
.quick-table tbody tr:nth-child(even) td:first-child{background:var(--paper);}
.table-hint{
  display:flex;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);
  margin-top:12px;
}
/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq.accordion{
  background:transparent;
  border:0;border-top:1px solid var(--line);
  margin:0;
}
.faq.accordion .accordion-item{
  border:0;background:transparent;
}
.faq.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border:0;border-bottom:1px solid var(--line);
  background:transparent;
  padding:20px 0;
  min-height:64px;
  font-size:1rem;font-weight:600;color:var(--text);
  transition:color .15s var(--ease),box-shadow .15s var(--ease),padding-left .15s var(--ease);
}
.faq.accordion .accordion-title:hover{color:var(--ink-green);background:transparent;}
.faq.accordion .accordion-item.is-active .accordion-title{
  color:var(--ink-green);
  box-shadow:inset 3px 0 0 var(--clay);
  padding-left:16px;
}
.faq.accordion .accordion-title::before{display:none;}
.faq-sign{
  position:relative;flex:0 0 16px;width:16px;height:16px;
  color:var(--ink-green);
}
.faq-sign::before,
.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
}
.faq-sign::before{left:0;top:7.25px;width:16px;height:1.5px;}
.faq-sign::after{left:7.25px;top:0;width:1.5px;height:16px;transition:transform .22s var(--ease);}
.accordion-item.is-active .faq-sign::after{transform:scaleY(0);}
.faq.accordion .accordion-content{
  border:0;background:transparent;
  padding:0 0 22px 16px;
  color:var(--text-2);
  display:none;
}
.faq.accordion .accordion-content.is-active{display:block;}
.faq.accordion .accordion-content p{
  font-size:.9375rem;line-height:1.85;color:var(--text-2);margin:0;max-width:72ch;
}
/* ============ CTA 条 ============ */
.cta-strip{
  background:var(--line-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-strip__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:36px 0;flex-wrap:wrap;
}
.cta-strip h2{
  font-size:clamp(1.15rem,2vw,1.5rem);
  margin-bottom:8px;
}
.cta-strip p{
  margin:0;font-size:.9375rem;color:var(--text-2);
}
.cta-strip__actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ============ 页脚 ============ */
.site-footer{
  border-top:2px solid var(--ink-green-deep);
  background:var(--paper);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-grid h4{
  font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:16px;font-weight:700;
}
.footer-brand__desc{
  font-size:.875rem;line-height:1.8;color:var(--text-2);
  margin:16px 0 0;max-width:26em;
}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:.9375rem;color:var(--text-2);}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--ink-green);}
.footer-contact strong{
  display:block;
  font-size:.75rem;letter-spacing:.06em;color:var(--text-3);font-weight:600;
  margin-bottom:2px;
}
.footer-contact li{font-variant-numeric:tabular-nums;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:20px 0 32px;
  font-size:.8125rem;color:var(--text-3);line-height:1.7;
}
.footer-bottom span{max-width:52em;}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .page-hero{padding:52px 0 46px;}
  .page-hero__grid{grid-template-columns:1fr;gap:36px;}
  .page-hero__media{max-width:560px;}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .doc-toc{display:none;}
  .doc-body{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .header-bar__inner{height:56px;gap:12px;}
  .site-header.is-compact .header-bar__inner{height:56px;}
  .brand__mark{width:34px;height:34px;flex:0 0 34px;}
  .brand__name{font-size:.9375rem;}
  .brand__sub{display:none;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .header-bar__inner.is-search-open .search{
    display:block;
    position:absolute;left:0;right:0;top:50%;
    transform:translateY(-50%);
    width:auto;z-index:9;
    background:#fff;
    border-radius:var(--radius-btn);
    box-shadow:0 0 0 8px #fff,0 0 0 9px var(--line);
  }
  .header-tools .btn--sm{min-height:38px;padding:0 14px;font-size:.875rem;}
  .channel-nav__list{padding:6px 0;}
  .channel-nav__list a{padding:7px 14px;font-size:.875rem;}
  .page-hero{padding:40px 0 36px;}
  .page-hero__grid{gap:28px;}
  .page-hero__actions{flex-direction:column;align-items:stretch;}
  .page-hero__actions .btn{width:100%;}
  .hero-facts{gap:18px;padding-top:16px;}
  .hero-facts li{flex:1 1 30%;}
  .hero-facts strong{font-size:1.25rem;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head--row{flex-direction:column;align-items:flex-start;}
  .doc-block{margin-bottom:44px;scroll-margin-top:112px;}
  .doc-block p{font-size:1rem;}
  .doc-block ul li,.doc-block ol li{font-size:.9375rem;}
  .resource-card{padding:20px;}
  .faq.accordion .accordion-title{min-height:56px;padding:16px 0;font-size:.9375rem;}
  .faq.accordion .accordion-content{padding:0 0 18px 16px;}
  .cta-strip__inner{padding:28px 0;flex-direction:column;align-items:flex-start;}
  .cta-strip__actions{width:100%;}
  .cta-strip__actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;gap:10px;font-size:.75rem;}
}
@media (max-width:520px){
  .hero-facts{flex-direction:column;gap:12px;}
  .hero-facts li{flex:none;}
  .page-hero__seal{width:48px;height:48px;font-size:.6875rem;top:10px;right:10px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category2 */
:root{
  --ink-green:#1F4B3F;
  --ink-green-deep:#12332B;
  --clay:#C2653A;
  --sand:#E4B363;
  --paper:#F7F4ED;
  --card:#FFFFFF;
  --text:#121A17;
  --text-2:#4A554F;
  --text-3:#6B7570;
  --line:#DCD6C9;
  --line-2:#EDE8DC;
  --ok:#6B8F71;
  --warn:#B4462F;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-1:0 1px 0 rgba(18,26,23,.04), 0 10px 28px -20px rgba(18,26,23,.35);
  --shadow-2:0 18px 40px -24px rgba(18,26,23,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.85;
  letter-spacing:0;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.15;letter-spacing:-.02em}
p{margin:0}
button{font-family:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- grid helper ---------- */
.grid-x.gutter{margin-left:-12px;margin-right:-12px}
.grid-x.gutter > .cell{padding-left:12px;padding-right:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .22s var(--ease);
}
.btn--clay{background:var(--clay);color:#fff}
.btn--clay:hover{background:var(--ink-green);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn--ghost{background:transparent;color:var(--ink-green);border-color:var(--ink-green)}
.btn--ghost:hover{background:var(--ink-green);color:#fff}
.btn--ink{background:var(--ink-green);color:#fff}
.btn--ink:hover{background:var(--ink-green-deep);color:#fff;transform:translateY(-1px)}
.btn--sm{min-height:38px;padding:0 16px;font-size:.875rem}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}

/* ---------- pill ---------- */
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:.75rem;letter-spacing:.06em;background:var(--line-2);color:var(--text-2)}
.pill--clay{background:rgba(194,101,58,.12);color:var(--clay)}
.pill--ok{background:rgba(31,75,63,.1);color:var(--ink-green)}
.pill--sand{background:rgba(228,179,99,.22);color:#8a6320}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line)}
.header-bar{border-bottom:1px solid var(--line);background:#fff}
.header-bar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-bar__inner{height:52px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.brand__mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:9px;
  background:var(--ink-green);color:var(--paper);
  display:grid;place-items:center;
  transition:background-color .22s var(--ease);
}
.brand__mark svg{width:22px;height:22px}
.brand:hover .brand__mark{background:var(--ink-green-deep)}
.brand__name{display:block;font-size:1rem;font-weight:700;color:var(--ink-green);letter-spacing:-.01em;line-height:1.3}
.brand__sub{display:block;font-size:.75rem;letter-spacing:.1em;color:var(--text-3);line-height:1.4}
.header-tools{display:flex;align-items:center;gap:12px}
.search{position:relative;display:flex;align-items:center}
.search input{
  width:240px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;padding:0 40px 0 14px;font-size:.875rem;color:var(--text);
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{outline:none;border-color:var(--ink-green);box-shadow:0 0 0 3px rgba(31,75,63,.14)}
.search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;display:grid;place-items:center;
  background:none;border:0;border-radius:6px;color:var(--text-3);cursor:pointer;
  transition:color .15s var(--ease),background-color .15s var(--ease);
}
.search button:hover{color:var(--clay);background:var(--line-2)}
.search-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--text-2);place-items:center;cursor:pointer;
}
.search-toggle:hover{border-color:var(--ink-green);color:var(--ink-green)}

.channel-nav{background:#fff;border-bottom:1px solid var(--line)}
.channel-nav__list{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav__list::-webkit-scrollbar{display:none}
.channel-nav__list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:.9375rem;color:var(--text-2);white-space:nowrap;
  transition:background-color .15s var(--ease),color .15s var(--ease);
}
.channel-nav__list a:hover{background:var(--line-2);color:var(--ink-green)}
.channel-nav__list a.is-active{background:var(--ink-green);color:#fff}

/* ---------- breadcrumb ---------- */
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-3)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li::after{content:"/";color:var(--line)}
.crumbs li:last-child::after{content:none}
.crumbs a{transition:color .15s var(--ease)}
.crumbs a:hover{color:var(--ink-green)}
.crumbs [aria-current="page"]{color:var(--text-3)}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:28px 0 76px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
  font-size:.75rem;font-weight:600;letter-spacing:.1em;color:var(--clay);text-transform:uppercase;
}
.eyebrow__num{
  font-variant-numeric:tabular-nums;padding:1px 9px;border:1px solid var(--clay);
  border-radius:999px;font-size:.75rem;letter-spacing:.06em;
}
.page-title{
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  font-weight:700;font-size:clamp(2rem,3.6vw,3rem);line-height:1.24;
  color:var(--ink-green-deep);letter-spacing:-.01em;
}
.page-title em{font-style:normal;color:var(--clay)}
.page-lead{margin-top:20px;max-width:44ch;font-size:1.0625rem;line-height:1.8;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.metrics{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:22px;
  border-top:1px solid var(--line);
}
.metrics strong{display:block;font-size:1.5rem;font-weight:800;line-height:1.2;color:var(--ink-green);font-variant-numeric:tabular-nums}
.metrics span{display:block;margin-top:4px;font-size:.75rem;letter-spacing:.08em;color:var(--text-3)}
.hero-figure{position:relative;margin:0}
.hero-figure img{
  width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  transition:transform .32s var(--ease);
}
.hero-figure{overflow:hidden;border-radius:var(--r-img);background:#fff;box-shadow:var(--shadow-1)}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure figcaption{
  position:absolute;left:12px;bottom:12px;
  padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.94);
  font-size:.75rem;letter-spacing:.04em;color:var(--ink-green);
  border:1px solid var(--line);
}
.stamp{
  position:absolute;right:28px;top:12px;writing-mode:vertical-rl;
  padding:10px 7px;border:1px solid var(--clay);border-radius:6px;
  color:var(--clay);font-size:.8125rem;letter-spacing:.34em;line-height:1.1;
  background:rgba(247,244,237,.6);
}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section--white{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:700px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);color:var(--ink-green-deep)}
.section-head p{margin-top:14px;font-size:1.0625rem;line-height:1.8;color:var(--text-2)}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head__text{max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;color:var(--ink-green);font-weight:600;white-space:nowrap}
.text-link svg{transition:transform .22s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- plans ---------- */
.plans{align-items:stretch}
.plan-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  padding:28px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink-green)}
.plan-card--featured{margin-top:-24px;border-color:var(--line)}
.plan-card--featured::before{
  content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:2px;
  background:var(--clay);border-radius:12px 12px 0 0;
}
.plan-card--featured .plan-card__price strong{color:var(--clay)}
.plan-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.plan-card__name{font-size:1.25rem;color:var(--ink-green-deep)}
.plan-card__price{display:flex;align-items:baseline;gap:6px;margin-bottom:8px}
.plan-card__price strong{font-size:2.25rem;font-weight:800;line-height:1;color:var(--ink-green-deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.plan-card__price span{font-size:.8125rem;color:var(--text-3)}
.plan-card__desc{font-size:.9375rem;line-height:1.7;color:var(--text-2);margin-bottom:20px}
.plan-card__list{display:grid;gap:10px;padding-top:18px;margin-bottom:26px;border-top:1px solid var(--line-2)}
.plan-card__list li{position:relative;padding-left:18px;font-size:.9375rem;line-height:1.7;color:var(--text-2)}
.plan-card__list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:1px;background:var(--ink-green)}
.plan-card .btn{margin-top:auto}

/* ---------- ladder ---------- */
.ladder-wrap{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}
.ladder-intro h2{font-size:clamp(1.5rem,2.4vw,2.1rem);color:var(--ink-green-deep)}
.ladder-intro p{margin-top:14px;font-size:.9375rem;line-height:1.8;color:var(--text-2)}
.ladder{display:grid;gap:18px}
.ladder__item{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.ladder__item:hover{background:var(--line-2);border-color:var(--ink-green);transform:translateX(2px)}
.ladder__item--1{width:100%}
.ladder__item--2{width:88%}
.ladder__item--3{width:76%}
.ladder__num{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:1.375rem;font-weight:700;
  color:var(--clay);font-variant-numeric:tabular-nums;line-height:1;
}
.ladder__body h3{font-size:1.0625rem;color:var(--ink-green-deep)}
.ladder__meta{margin-top:6px;font-size:.8125rem;color:var(--text-3)}
.ladder__rights{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ladder__rights li{
  padding:3px 10px;border-radius:999px;background:var(--paper);
  border:1px solid var(--line-2);font-size:.75rem;color:var(--text-2);letter-spacing:.02em;
}
.ladder__go{
  display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);color:var(--ink-green);background:#fff;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease);
}
.ladder__go:hover{background:var(--ink-green);border-color:var(--ink-green);color:#fff}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.compare__col{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1)}
.compare__col h3{font-size:1.25rem;color:var(--ink-green-deep)}
.compare__col > p{margin-top:8px;margin-bottom:18px;font-size:.9375rem;color:var(--text-3)}
.spec-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line-2);font-size:.9375rem;line-height:1.7;color:var(--text-2)}
.spec-list li:first-child{border-top:0;padding-top:0}
.spec-list svg{flex:0 0 auto;margin-top:5px;color:var(--ink-green)}
.spec-list strong{color:var(--text);font-weight:600}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.consult-points li{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line);font-size:.9375rem;line-height:1.7;color:var(--text-2)}
.consult-points li:first-child{border-top:0}
.consult-points svg{flex:0 0 auto;margin-top:4px;color:var(--clay)}
.consult-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:.8125rem;font-weight:600;letter-spacing:.02em;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;background:#fff;color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-btn);font-size:.9375rem;font-family:inherit;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink-green);box-shadow:0 0 0 3px rgba(31,75,63,.14)}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%234A554F' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.form-note{margin-top:14px;font-size:.8125rem;line-height:1.7;color:var(--text-3)}
.form-status{margin-top:12px;font-size:.8125rem;color:var(--ok)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-accordion{background:transparent;border:0;margin:0}
.faq-accordion .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;
  min-height:64px;padding:16px 48px 16px 16px;border:0;background:transparent;
  font-size:1.0625rem;font-weight:600;color:var(--text);
  border-left:3px solid transparent;
  transition:border-color .22s var(--ease),color .15s var(--ease),background-color .15s var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--ink-green);background:rgba(237,232,220,.5)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:1.375rem;font-weight:400;line-height:1;color:var(--ink-green);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title{border-left-color:var(--clay);color:var(--ink-green-deep)}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";color:var(--clay);transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-content{
  display:none;padding:0 16px 20px;border:0;background:transparent;
  font-size:.9375rem;line-height:1.8;color:var(--text-2);max-width:72ch;
}
.faq-accordion .accordion-item.is-active .accordion-content{display:block}

/* ---------- cta bar ---------- */
.cta-bar{
  background:var(--line-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:34px 0;
}
.cta-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-bar h2{font-size:1.25rem;color:var(--ink-green-deep)}
.cta-bar p{margin-top:8px;font-size:.9375rem;color:var(--text-2)}
.cta-bar .btn{flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--paper);border-top:2px solid var(--ink-green-deep);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-grid h4{font-size:.9375rem;color:var(--ink-green-deep);margin-bottom:16px;letter-spacing:0}
.footer-brand__desc{margin-top:14px;max-width:34ch;font-size:.875rem;line-height:1.8;color:var(--text-2)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.875rem;color:var(--text-2);transition:color .15s var(--ease)}
.footer-links a:hover{color:var(--ink-green)}
.footer-contact li{
  display:flex;justify-content:space-between;gap:12px;padding:9px 0;
  border-top:1px solid var(--line);font-size:.875rem;color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.footer-contact li:first-child{border-top:0;padding-top:0}
.footer-contact strong{font-weight:600;color:var(--text-3);flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  margin-top:44px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-3);
}

/* ---------- entrance animation ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.anim{opacity:0;animation:riseIn .42s var(--ease) forwards}
.anim-1{animation-delay:.04s}
.anim-2{animation-delay:.10s}
.anim-3{animation-delay:.16s}
.anim-4{animation-delay:.22s}
.anim-5{animation-delay:.28s}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .stamp{display:none}
  .section{padding:76px 0}
  .plan-card--featured{margin-top:0}
  .plan-card--featured::before{border-radius:12px 12px 0 0}
  .ladder-wrap{grid-template-columns:1fr;gap:28px}
  .ladder__item--1,.ladder__item--2,.ladder__item--3{width:100%}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .compare{gap:24px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .grid-x.gutter{margin-left:-8px;margin-right:-8px}
  .grid-x.gutter > .cell{padding-left:8px;padding-right:8px}
  .header-bar__inner{height:56px;gap:12px}
  .site-header.is-scrolled .header-bar__inner{height:56px}
  .brand__mark{width:32px;height:32px;border-radius:8px}
  .brand__mark svg{width:19px;height:19px}
  .brand__name{font-size:.9375rem}
  .brand__sub{font-size:.6875rem}
  .search{display:none}
  .search-toggle{display:grid}
  .header-tools .btn--sm{min-height:40px;padding:0 14px}
  .site-header.is-search-open .search{
    display:flex;position:absolute;left:0;right:0;top:56px;z-index:6;
    padding:12px 18px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .site-header.is-search-open .search input{width:100%}
  .channel-nav__list{height:46px;gap:6px}
  .channel-nav__list a{height:30px;padding:0 12px;font-size:.875rem}
  .crumbs{padding-top:18px}
  .page-hero{padding:22px 0 56px}
  .page-title{font-size:clamp(1.75rem,7vw,2.25rem);line-height:1.3}
  .page-lead{font-size:1rem;margin-top:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .metrics{gap:20px;margin-top:28px;padding-top:18px}
  .metrics li{flex:1 1 30%}
  .metrics strong{font-size:1.25rem}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px}
  .plan-card{padding:22px 20px}
  .plan-card__price strong{font-size:2rem}
  .ladder__item{grid-template-columns:auto 1fr;padding:18px 18px;gap:14px}
  .ladder__go{display:none}
  .compare{grid-template-columns:1fr}
  .consult-form{padding:22px 20px}
  .faq-accordion .accordion-title{min-height:56px;font-size:1rem;padding:14px 44px 14px 14px}
  .cta-bar{padding:28px 0}
  .cta-bar__inner{flex-direction:column;align-items:flex-start;gap:16px}
  .cta-bar .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 20px}
  .footer-bottom{margin-top:32px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .anim{opacity:1;animation:none}
}